C Troubleshooting and routine maintenance

Troubleshooting

If you think there is a problem with your machine, check the chart below and follow the troubleshooting tips.

Most problems can be easily resolved by yourself. If you need additional help, the Brother Solutions Center offers the latest FAQs and troubleshooting tips.

Visit us at http://solutions.brother.com.

Solutions to common problems

If you think there is a problem, make a copy first. If the copy looks good, the problem is probably not your machine. Check the chart below and follow the troubleshooting tips. You can solve most problems by yourself.

Menu access difficulties

Difficulties	Suggestions
Key Operations do not work.	Check that the control panel is fitted correctly on the machine. Reinstall the control panel.

Copy quality difficulties

Difficulties	Suggestions
Vertical black lines appears in copies.	Black vertical lines on copies are typically caused by dirt or correction fluid on the glass strip, or one of the corona wires for printing is dirty. (See Cleaning the scanner and Cleaning the corona wires.)

Printing difficulties

Difficulties

Suggestions

No printout.

•	Check that the machine is plugged in and the power switch is turned on.
•	Check that the toner cartridges and drum unit are installed properly. (See Replacing the drum unit.)
•	Check the interface cable connection on both the machine and your computer. (See the Quick Setup Guide.)
•	Check that the correct printer driver has been installed and chosen.
•	Check to see if the LCD is showing an error message. (See Error and maintenance messages.)
•	Check the machine is online: (For Windows Vista^®) Click the Start button, Control Panel, Hardware and Sound, and then Printers. Right-click ‘Brother DCP-9045CDN Printer’. Make sure that ‘Use Printer Offline’ is unchecked. (For Windows^® XP and Windows Server^® 2003) Click the Start button and select Printers and Faxes. Right-click ‘Brother DCP-9045CDN Printer’. Make sure that ‘Use Printer Offline’ is unchecked. (For Windows^® 2000) Click the Start button and select Settings and then Printers. Right-click ‘Brother DCP-9045CDN Printer’. Make sure that ‘Use Printer Offline’ is unchecked.

The machine prints unexpectedly or it prints garbage.

•	Pull out the paper tray and wait until the machine stops printing. Then turn off the machine’s power switch and disconnect from the power for several minutes.
•	Check the settings in your application to make sure it is set up to work with your machine.

The machine prints the first couple of pages correctly, then some pages have text missing.

•	Check the settings in your application to make sure that it is set up to work with your machine.
•	Your computer is not recognising the machine’s input buffer’s full signal. Make sure that you connected the interface cable correctly. (See the Quick Setup Guide.)

The headers or footers appear when the document displays on the screen but they do not show up when it is printed.

There is an unprintable area on the top and bottom of the page. Adjust the top and bottom margins in your document to allow for this.

The machine does not print on both sides of the paper even though the printer driver setting is Duplex.

Check the paper size setting in the printer driver. You need to select A4, Legal or Folio.

The machine is not printing or has stopped printing and the machine’s Status LED turns yellow.

Press Job Cancel. As the machine cancels the job and clears it from the memory it may produce an incomplete printout.

Scanning difficulties

Difficulties	Suggestions
TWAIN errors appear while scanning.	Make sure that the Brother TWAIN driver is chosen as the primary source. In PaperPort ™ 11SE, click File, Scan or Get Photo and choose the Brother TWAIN driver.
Network scanning does not work.	See Network difficulties.

Software difficulties

Difficulties	Suggestions
Cannot install software or print.	Run the Repair MFL-Pro Suite program on the CD-ROM. This program will repair and reinstall the software.
Cannot perform ‘2 in 1’ or ‘4 in 1’ printing.	Check that the paper size setting in the application and in the printer driver are the same.
The machine does not print from Adobe Illustrator.	Try to reduce the print resolution. (See Advanced tab in the Software User’s Guide on the CD-ROM.)

Paper handling difficulties

Difficulties

Suggestions

The machine does not load paper.

The LCD shows No Paper or a Paper Jam message.

•	If there is no paper, load a new stack of paper into the paper tray.
•	If there is paper in the paper tray, make sure it is straight. If the paper is curled, you should straighten it. Sometimes it is helpful to remove the paper, turn the stack over and put it back into the paper tray.
•	Reduce the amount of paper in the paper tray, and then try again.
•	Check that the MP tray mode is not chosen in the printer driver.
•	If the LCD shows Paper Jam message and you still have a problem, see Paper jams.

The machine does not feed paper from the MP tray.

•	Fan the paper well and put it back in the tray firmly.
•	Make sure that MP tray mode is chosen in the printer driver.

How do I print on envelopes?

You can load envelopes from the MP tray. Your application must be set up to print the envelope size you are using. This is usually done in the Page Setup or Document Setup menu of your application. (See your application’s manual for more information.)

Which paper can I use?

You can use plain paper, recycled paper, envelopes and labels that are made for laser machines. (For details, see Acceptable paper and other media.)

There is a paper jam.

(See Paper jams.)

Print quality difficulties

Difficulties

Suggestions

Printed pages are curled.

•	Low quality thin or thick paper or not printing on the recommended side of the paper could cause this problem. Try turning over the stack of paper in the paper tray.
•	Make sure that you choose the Paper Type that suits the media type you are using. (See Acceptable paper and other media.)

Printed pages are smeared.

The Paper Type setting may be incorrect for the type of print media you are using, or the print media may be too thick or have a rough surface. (See Acceptable paper and other media and Basic tab in the Software User’s Guide on the CD-ROM.)

Printouts are too light.

•	If this problem occurs when making copies, turn Toner Save mode to off in the machine menu settings. (See Toner save.)
•	Set Toner Save mode to off in the Advanced tab in the printer driver. (See Advanced tab in the Software User’s Guide on the CD-ROM.)

Network difficulties

Difficulties

Suggestions

Cannot print over a wired Network.

Make sure your machine is powered on and is on-line and in Ready mode. Print the Network Configuration list to see your current Network settings. (See User Settings List.) Reconnect the LAN cable to the hub to verify that the cable and network connections are good. If possible, try connecting the machine to a different port on your hub using a different cable. If the connections are good, the upper LED of the back panel of the machine will be green.

The network scanning feature does not work.

The network printing feature does not work.

(For Windows^® only) The firewall setting on your PC may be rejecting the necessary network connection. Follow the instructions below to configure your firewall. If you are using personal firewall software, see the User’s Guide for your software or contact the software manufacturer.

For Windows^® XP SP2 users:

1	Click the Start button, Control Panel, Network and Internet Connections, and then Windows Firewall. Make sure that Windows Firewall on the General tab is set to On.
2	Click the Advanced tab and Settings... button of the Network Connection Settings.
3	Click the Add button.
4	To add port 54925, for network scanning, enter the information below: 1. In Description of service: Enter any description, for example ”Brother Scanner”. 2. In Name or IP address (for example 192.168.0.12) of the computer hosting this service on your network: Enter ”Localhost”. 3. In External Port number for this service: Enter ”54925 ”. 4. In Internal Port number for this service: Enter ”54925 ”. 5. Make sure UDP is selected. 6. Click OK.
5	If you still have trouble with your network connection, click the Add button.
6	To add port 137 for both network scanning and network printing, enter the information below: 1. In Description of service: Enter any description, for example ”Brother network scanning” 2. In Name or IP address (for example 192.168.0.12) of the computer hosting this service on your network: Enter ”Localhost”. 3. In External Port number for this service: Enter ”137 ”. 4. In Internal Port number for this service: Enter ”137 ”. 5. Make sure UDP is selected. 6. Click OK.
7	Make sure if the new setting is added and is checked, and then click OK.

For Windows Vista^® users:

Click the Start button, Control Panel, Network and Internet, Windows Firewall and click Change settings.

When the User Account Control screen appears, do the following.

•	Users who have administrator rights: Click Continue.
•	For users who do not have administrator rights: Enter the administrator password and click OK.

Make sure that Windows Firewall on the General tab is set to On.

Click the Exceptions tab.

Click the Add port... button.

To add port 54925 for network scanning, enter the information below:

1. In Name: Enter any description, for example ”Brother Scanner”.

2. In Port number: Enter ”54925 ”.

3. Make sure UDP is selected. Then click OK.

Make sure that the new setting is added and is checked, and then click Apply.

If you still have trouble with your network connection such as network scanning or printing, check File and Printer Sharing box in the Exceptions tab and then click Apply.

Your computer cannot find your machine.

For Windows^® users: The firewall setting on your PC may be rejecting the necessary network connection. For details, see the instruction above.

For Macintosh^® users: Re-select your machine in the DeviceSelector application located in Macintosh HD/Library/Printers/Brother/Utilities or from the Model pop-up menu of ControlCenter2.

Other

Difficulties	Suggestions
The machine will not turn on.	Adverse conditions on the power connection (such as lightning or a power surge) may have triggered the machine’s internal safety mechanisms. Turn the machine off and unplug the power cord. Wait for ten minutes, then plug in the power cord and turn the machine on.

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